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发明名称
AUDIO-VISUAL EDUCATIONAL APPARATUS
摘要
申请公布号
IL29391(A)
申请公布日期
1971.12.29
申请号
IL19680029391
申请日期
1968.01.30
申请人
BORG WARNER CORP
发明人
分类号
G09B7/08;(IPC1-7):G09B7/00
主分类号
G09B7/08
代理机构
代理人
主权项
地址
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